g1 lesson 4 day 2
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G1 Lesson 4 Day 2.notebook
1
September 20, 2016
Do Now: 1.) Discuss Closing Activity from last class2.)
Module 8.2 Lesson 4 Day 2
Reflections
Supplemental Practicepg 39
Link
Closing ActivityExplain your procedure for reflecting a shape over a line.
G1 Lesson 4 Day 2.notebook
2
September 20, 2016
Do Now: 1.) Discuss Closing Activity from last class2.)
Reflections
Supplemental Practicepg 39
Link
Closing ActivityExplain your procedure for reflecting a shape over a line.
Module 8.2 Lesson 4 Day 2
Quiz 1 9/28 A Day9/29 B Day
G1 Lesson 4 Day 2.notebook
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September 20, 2016
Supplemetal Practice pg 35
G1 Lesson 4 Day 2.notebook
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September 20, 2016
Supplemetal Practice pg 36
G1 Lesson 4 Day 2.notebook
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September 20, 2016
DO NOW:
G1 Lesson 4 Day 2.notebook
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September 20, 2016
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September 20, 2016
G1 Lesson 4 Day 2.notebook
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September 20, 2016
7. Is this a reflection?
a) b)
G1 Lesson 4 Day 2.notebook
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c) d)
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There are 3 types of reflections:
1. reflect over x-axis2. reflect over y-axis3. reflect over a line
The symbol for reflection is rx-axis
G1 Lesson 4 Day 2.notebook
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September 20, 2016
A (4,0)B (5,2)C (8,1)
x = 2 what does this mean?
S.371.
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A (-4,2)B (-4,3)C (-1,3)
y = -1what does this mean?
2.
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Reflection in y = x
r (x,y) = (y,x)y = x
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September 20, 2016
A (-1,2)B (-2,6)C (1,6)
y = xwhat does this mean?
3. 38
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Reflection in y = -x
r (x,y) = (-y,-x)y = -x
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September 20, 2016
A (2,2)B (4,2)C (4,5)
y = -xwhat does this mean?
4.
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Supplemental Practice: Pg 39
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2
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September 20, 2016
Closing Activity
Explain your procedure for reflecting over a line that is not the x-axis or y-axis.
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